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Signal averaging transesophageal left heart ECG software to evaluate left atrial conduction delay and left ventricular conduction delay in heart failure patients with dilated and ischaemic cardiomyopathy

  • Cardiac resynchronization therapy with biventricular pacing is an established therapy for heart failure patients with electrical left ventricular desynchronization. The aim of this study was to evaluate left atrial conduction delay, intra left atrial conduction delay, left ventricular conduction delay and intra left ventricular conduction delay in heart failure patients using novel signalCardiac resynchronization therapy with biventricular pacing is an established therapy for heart failure patients with electrical left ventricular desynchronization. The aim of this study was to evaluate left atrial conduction delay, intra left atrial conduction delay, left ventricular conduction delay and intra left ventricular conduction delay in heart failure patients using novel signal averaging transesophageal left heart ECG software. Methods: 8 heart failure patients with dilated cardiomyopathy (DCM), age 68 ± 9 years, New York Heart Association (NYHA) class 2.9 ± 0.2, 24.8 ± 6.7 % left ventricular ejection fraction, 188.8 ± 15.5 ms QRS duration and 8 heart failure patients with ischaemic cardiomyopathy (ICM), age 67 ± 8 years, NYHA class 2.9 ± 0.3, 32.5 ± 7.4 % left ventricular ejection fraction and 167.6 ± 19.4 ms QRS duration were analysed with transesophageal and transthoracic ECG by Bard LabDuo EP system and novel National Intruments LabView signal averaging ECG software. Results: The electrical left atrial conduction delay was 71.3 ± 17.6 ms in ICM versus 72.3 ± 12.4 ms in DCM, intra left atrial conduction delay 66.8 ± 8.6 ms in ICM versus 63.4 ± 10.9 ms in DCM and left cardiac AV delay 180.5 ± 32.6 ms in ICM versus 152.4 ± 30.4 ms in DCM. The electrical left ventricular conduction delay was 40.9 ± 7.5 ms in ICM versus 42.6 ± 17 ms in DCM and intra left ventricular conduction delay 105.6 ± 19.3 ms in ICM versus 128.3 ± 24.1 ms in DCM. Conclusions: Left heart signal averaging ECG can be utilized to analyse left atrial conduction delay, intra left atrial conduction delay, left ventricular conduction delay and intra left ventricular conduction delay to improve patient selection for cardiac resynchronization therapy.show moreshow less

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Metadaten
Document Type:Conference Proceeding
Conference Type:Konferenz-Abstract
Zitierlink: https://opus.hs-offenburg.de/339
Bibliografische Angaben
Title (English):Signal averaging transesophageal left heart ECG software to evaluate left atrial conduction delay and left ventricular conduction delay in heart failure patients with dilated and ischaemic cardiomyopathy
Conference:BMT 2012: Annual Conference of the German Society for Biomedical Engineering / DGBMT Jahrestagung (45. : 16.-19. September 2012 : Jena)
Author:Martin Lorenz, Bruno IsmerStaff MemberGND, Kerstin Straube, Hans Reiner Figulla, Matthias HeinkeStaff MemberORCiDGND
Date of Publication (online):2012/08/31
Place of publication:Berlin, Boston
Publisher:Walter de Gruyter
Page Number:4
Parent Title (English):Biomedical Engineering / Biomedizinische Technik
Volume:57
Issue:SI-1 Track-I
ISSN:0013-5585 (Print)
ISSN:1862-278X (Online)
DOI:https://doi.org/10.1515/bmt-2012-4274
Language:English
Inhaltliche Informationen
Institutes:Fakultät Elektrotechnik und Informationstechnik (E+I) (bis 03/2019)
Institutes:Bibliografie
DDC classes:600 Technik, Medizin, angewandte Wissenschaften
Tag:Elektrokardiogramm; Herzmuskelkrankheit; Signaltechnik; Überwachung
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoUrheberrechtlich geschützt